#include <iostream>
#include <unistd.h>
using namespace std;

int main()
{
  extern char** environ;
  printf("C++ environment table begin\n");
  for(int i=0;environ[i];i++)
  {
    printf("env[%d]:%s\n",i,environ[i]);
  }
  printf("C++ environment table end\n");
  cout<<"Hello C++"<<endl;
  cout<<"Hello C++"<<endl;
  cout<<"Hello C++"<<endl;
  return 0;
}
